The color seems to incline towards the purple.Tomislav Todorović, 11 February 2014

Well, for my eye this is dark red, redish maroon. It's not look like purple
to me.Tomislav Šipek, 17 February 2014

The town emblem was adopted on Mar 1st 2006 but there is no flag law. The
maroon flag has a white town emblem in the center. The town emblem is a stylized
kanji 白 Shira of Shirahama. The triangle stands for the towns unlimited
development, the inner disc for the Sun and the outer circle for a
reconcillation.Nozomi Kariyasu, 21 May 2014